Precalculus
posted by Mary .
ARE THESE ANSWERS CORRECT?
Directions: The playing times for 20 songs on a tophits radio station are recorded in the chart below.
Using the times listed in the chart, circle the correct answer for questions 13 below.
Playing Time (minutes:seconds)
3:32 3:24 2:54 3:07 4:52 3:45 2:39 3:09 3:34 3:26
3:35 4:17 4:03 3:52 5:10 4:59 3:07 4:00 3:07 2:56
1. In a stemand leaf plot of this data where 332 represents 3:32, which of the following stems has the
fewest number of leaves?
A. 25
B. 30
C. 45
D. 51
2. In a frequency distribution of this data, how many data values are in the class 3:00 – 3:30?
A. 11
B. 5
C. 6 MY ANSWER because between 3:00 3:30 has frequency of 6 data
D. 7
3. In a histogram of this data, which bar would have the greatest height?
A. 3:003:15 MY ANSWER
B. 3:153:30
C. 3:303:45
D. 3:454:00
Statistics  Mary, Sunday, February 8, 2009 at 12:55am
ARE THESE ANSWERS CORRECT?
Directions: The playing times for 20 songs on a tophits radio station are recorded in the chart below.
Using the times listed in the chart, circle the correct answer for questions 13 below.
Playing Time (minutes:seconds)
3:32 3:24 2:54 3:07 4:52 3:45 2:39 3:09 3:34 3:26
3:35 4:17 4:03 3:52 5:10 4:59 3:07 4:00 3:07 2:56
1. In a stemand leaf plot of this data where 332 represents 3:32, which of the following stems has the
fewest number of leaves?
A. 25
B. 30 MY ANSWER
C. 45
D. 51
2. In a frequency distribution of this data, how many data values are in the class 3:00 – 3:30?
A. 11
B. 5
C. 6 MY ANSWER because between 3:00 3:30 has frequency of 6 data
D. 7
3. In a histogram of this data, which bar would have the greatest height?
A. 3:003:15 MY ANSWER
B. 3:153:30
C. 3:303:45
D. 3:454:00
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